AI005 Java Knowledge Test

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This test will be to see how much you know about Java and if you should learn Java 005. If you do not know the answer, just skip the question. Try to answer as many as possible. It is okay if you do not know the answer.

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What is a CPU?

1 point

Cookie Printer Unicorn

Cost per Unit

Central Processing Unit

I don't know

Clear selection

What is a nesting loop?

1 point

A type of bird

A loop within another loop

A function within a loop

A loop within a function

I don't know

Clear selection

Take a look at the Logic Gate equations below, when A, B are on: {I. A OR B} {II. A XOR B} {III. A NOR B = C, NOT C} Please select the answer(s) that are true.

1 point

III

I and III

II and III

I, II, and III

I'm not sure

Clear selection

How do you print a line of text in Java?

1 point

I don't know

Neither

System.out.print();

Both

System.out.println();

Clear selection

What is a function in Java? *

1 point

an activity or purpose natural to or intended for a person or thing

something you use in code

something that takes an input and returns an output

None of the above

I'm not sure

What is wrong with my code below?

4 points

There is nothing wrong with it.

The first line should not exist.

The boolean logic is incorrect, the second line should be "if( temp < 60)"

The boolean logic is incorrect, it doesn't work for some cases

I don't know

Clear selection

Which of the following occurs if you fail to catch a thrown exception?

1 point

Runtime exception

The code will still run, maybe giving the incorrect result

IDE Crash

Compiler error

I don't know

Clear selection

What is wrong with my script below?

3 points

I don't know

The positions of 81 and 81.5 in the code need to be switched to avoid a conversion error.

The second a in the second line should be in the parentheses.

The code looks correct.

There should be two equals signs instead of one.

Clear selection

Which of the following is the correct order from smallest range to largest range? (Primitive Types)

1 point

Int, Byte, Short, Long

Byte, Short, Int, Long

Byte, Int, Short, Long

Long, Short, Int, Byte

I don't know

Clear selection

How many parameters does "Array.get()" accept, and what are they?

1 point

2: array and index

1: array

I don't know

3: array, index, and class

2: array and object

Clear selection

What is 167 in binary?

1 point

110101001

10001001

10100111

1101110

I don't know

Clear selection

What is wrong with my code below?

3 points

There should not be a space in the final line before "squares[9]"

The "<=" will cause an outOfBounds error.

The "i*i" will cause an outOfBounds error.

The code looks correct.

I'm not sure

Clear selection

What are OOPs?

1 point

A method used for making a program using classes and objects

Inheritance, Encapsulation, Polymorphism and Abstraction

Both

I'm not sure

Clear selection

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